Evidence map›Paper›PMID 42003082›Full record

ArticleAdvanced materials (Deerfield Beach, Fla.)2026

Ligand-Mediated Surface Carrier Modulation in Perovskite Nanocrystals for Charge-Symmetric LEDs.

Jongho Park, Jisu Ha, Daehwan Kim, Hyeon Woo Kim, Han Uk Lee, Boseung Je, Dodam Kim, Jun-Su Yeo, Min Gyo Kim, Changsoon Cho and 2 more

Abstract read
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In one paragraph

Article in Advanced materials (Deerfield Beach, Fla.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Partial ligand exchange on CsPbIChemical science · 2026
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Jongho ParkDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Jisu HaDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Daehwan KimDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Hyeon Woo KimDepartment of Materials Science and Engineering, Ajou University, Suwon, Republic of Korea.
Han Uk LeeDepartment of Energy Systems Research, Ajou University, Suwon, Republic of Korea.
Boseung JeDepartment of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Dodam KimDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Jun-Su YeoDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Min Gyo KimDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.
Changsoon ChoDepartment of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
Sung Beom ChoDepartment of Materials Science and Engineering, Ajou University, Suwon, Republic of Korea.
Tae-Hee HanDivision of Materials Science and Engineering, Hanyang University, Seoul, Republic of Korea.ORCID https://orcid.org/0000-0002-1939-8296

Funding

National Research Foundation of Korea RS-2024-00411892National Research Foundation of Korea RS-2024-00446129National Research Foundation of Korea RS-2025-00558546
6 · The paper itself

Abstract

Metal halide perovskite nanocrystals (MHP NCs) hold great promise for light-emitting diodes (LEDs), but face challenges due to weakly-bound, insulating long-chain ligands that impede charge transport and compromise stability. We introduce a hydrolysis-assisted ligand-exchange strategy that uses a multifunctional π-conjugated pyridine carboxamide (PCA). This approach replaces native ligands to achieve strong surface binding and to strengthen electrical coupling, while imparting n-type surface functionalization of MHP NCs. As a result, colloidal stability is improved, trap densities are reduced, and charge balance can be precisely tuned within LEDs. LEDs fabricated using ligand-exchanged MHP NCs had a current efficiency of 121.4 cd A

Indexed as

ligand exchangelight‐emitting diodesnanocrystalsperovskites

Identifiers

PMID42003082
PMCPMC13181538

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.